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Bioengineered 2D Ultrathin Sharp-Edged MgO Nanosheets Using Achyranthes aspera Leaf Extract for Antimicrobial Applications
Journal of Inorganic and Organometallic Polymers and Materials ( IF 4 ) Pub Date : 2020-10-06 , DOI: 10.1007/s10904-020-01772-7
S. Pavithra , B. Mohana , M. Mani , P. E. Saranya , R. Jayavel , D. Prabu , S. Kumaresan

Abstract

For the first time, we have been reported the phytosynthesis of ultrathin 2D layered sharp-edged MgO nanosheets using Achyranthes aspera (0.5, 1.0, 1.5, and 2%) via green route without any surfactants and the rarely characterized and emerging pathogens of Eggerthella lenta and Enterobacter aerogenes were used to evaluate the antibacterial activity of biosynthesized MgO nanomaterials. A. aspera has a superior role as a non-toxic bio-reducing agent in an entire synthesized process of MgO nanomaterial. Furthermore, the structure, morphology and physicochemical properties of the synthesized materials were elucidated by the analytical techniques like powder X-ray diffraction (XRD), scanning electron microscope (SEM), high resolution transmission electron microscope (HRTEM), Energy dispersive spectroscopy (EDS), Fourier-transform infrared spectroscopy (FTIR), and UV–Visible Spectroscopy (UV–Vis). The scanning electron microscopic analysis (SEM) explored the morphology as a 2D nanostructure of A. aspera mediated ultrathin MgO nanosheets. Further, the microscopic analysis HRTEM revealed that the morphological refinement was greatly achieved by varying the concentration of the leaf extract utilized as a capping as well as the reducing agent. An In vitro antibacterial and antifungal analysis were quantitatively investigated for the 2D nanostructure of A. aspera mediated ultrathin MgO nanosheets. Besides, mechanism involving in the formation of MgO nanosheets and antimicrobial activity are well demonstrated to deepen the knowledge towards enhancement possibilities for the metal oxide nanoparticle synthesis and applications.

Graphic Abstract



中文翻译:

生物工程二维超薄锐利边缘MgO纳米片,使用牛膝草叶提取物进行抗菌应用

摘要

对于第一次,我们已经报道了超薄2D的phytosynthesis分层使用锋利的氧化镁纳米片土牛膝经由绿色路线(0.5,1.0,1.5,和2%)在没有任何表面活性剂和的很少特征和新出现的病原体Eggerthella桦用产气肠杆菌和产气肠杆菌来评估生物合成的MgO纳米材料的抗菌活性。曲霉在MgO纳米材料的整个合成过程中,作为无毒生物还原剂具有卓越的作用。此外,通过粉末X射线衍射(XRD),扫描电子显微镜(SEM),高分辨率透射电子显微镜(HRTEM),能量色散光谱(EDS)等分析技术阐明了合成材料的结构,形态和理化性质。 ),傅立叶变换红外光谱(FTIR)和紫外可见光谱(UV-Vis)。扫描电子显微镜分析(SEM)探索了A. aspera的二维纳米结构形态介导的超薄MgO纳米片。此外,显微分析HRTEM显示,通过改变用作封盖剂和还原剂的叶提取物的浓度,极大地实现了形态上的细化。进行了体外抗菌和抗真菌分析,研究了曲霉介导的超薄MgO纳米片的二维纳米结构。此外,已充分证明了涉及MgO纳米片形成和抗菌活性的机理,从而加深了对提高金属氧化物纳米颗粒合成和应用可能性的认识。

图形摘要

更新日期:2020-10-07
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